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Management Information Systems Overview
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Management Information Systems Overview

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Questions and Answers

Which type of database is characterized by a hierarchical data organization?

  • Relational database
  • Graph database
  • Document database (correct)
  • Key-value database

    • What is the primary function of SQL in relation to databases?

  • To convert data into graphic representations
  • To design schemas for data management
  • To manipulate and query data (correct)
  • To store data in an organized manner

    • Which of the following best describes a production database?

  • The actual database that reflects real-time data (correct)
  • A temporary database for data staging purposes
  • A database used for testing changes before implementing
  • A database designed to support specific problem-solving

    • Which database type uses a schema-free structure to store data?

    <p>Column-Family database</p> Signup and view all the answers

    What is a key function of a data warehouse?

    <p>To support decision making in an organization</p> Signup and view all the answers

    In a relational database, what is the purpose of a key?

    <p>To connect or relate different tables</p> Signup and view all the answers

    What is a defining characteristic of a staging database?

    <p>It is used for editing and simulating changes before they go live.</p> Signup and view all the answers

    Which of the following best describes analytical databases?

    <p>They utilize multidimensional arrays yet can be hard to manage due to data overload.</p> Signup and view all the answers

    What is meant by the term 'First Mover Advantage'?

    <p>The advantage of being the first to enter a new market.</p> Signup and view all the answers

    Which of the following best describes 'Management Information Systems'?

    <p>An organized collection of people, procedures, software, databases, and devices for routine decision-making.</p> Signup and view all the answers

    What phenomenon does 'Data Explosion' refer to?

    <p>The rapid increase in the amount of data generated and collected.</p> Signup and view all the answers

    Which of the following is NOT one of the sensors commonly found in a smartphone?

    <p>GPS Receiver</p> Signup and view all the answers

    What is a key characteristic of Netflix's business model compared to Blockbuster?

    <p>Netflix allows customers to order movies online with no late fees.</p> Signup and view all the answers

    How does the 'Power of the Long Tail' impact business strategy?

    <p>It promotes selling a wide range of niche products to specific audiences.</p> Signup and view all the answers

    Which of the following statements about computing power in modern devices is accurate?

    <p>Modern smartphones can execute significantly more instructions per second than older computers.</p> Signup and view all the answers

    What does increasing storage capacity relate to in the context of the Fourth Industrial Revolution?

    <p>The ability to hold and analyze vast amounts of data.</p> Signup and view all the answers

    What is a primary concern regarding the use of AI related to fairness?

    <p>Propagation of biases</p> Signup and view all the answers

    What major concept did Alan Turing contribute to the field of computing?

    <p>Development of the Turing machine</p> Signup and view all the answers

    Which of the following best describes Charles Babbage's role in computing history?

    <p>He invented mechanical computing devices.</p> Signup and view all the answers

    What concern does the concept of privacy primarily address in the context of AI?

    <p>Surveillance and personal rights</p> Signup and view all the answers

    Which device is considered the first known computer?

    <p>The Antikythera Mechanism</p> Signup and view all the answers

    What key aspect of equity in technology is emphasized?

    <p>Access for marginalized groups</p> Signup and view all the answers

    What was the focus of Alan Turing's 1950 paper 'Computing Machinery and Intelligence'?

    <p>Theoretical foundations of computer science</p> Signup and view all the answers

    Which technology advancement facilitates the increased processing of vast amounts of data?

    <p>Data explosion</p> Signup and view all the answers

    What is the primary function of the processor in a computer?

    <p>To execute processes and calculations</p> Signup and view all the answers

    What is Random-Access Memory (RAM) typically used for?

    <p>Temporary storage of data</p> Signup and view all the answers

    Which component is responsible for converting electrical signals into usable power for a computer?

    <p>Power Supply Unit (PSU)</p> Signup and view all the answers

    How do computers represent data at the basic binary level?

    <p>With bits and bytes</p> Signup and view all the answers

    What is the primary role of capacitors in a computer?

    <p>To store electrical energy</p> Signup and view all the answers

    What does the term 'nanoscale' refer to in relation to transistors?

    <p>Sizes of 7 to 15 nanometers</p> Signup and view all the answers

    Which of the following components is categorized as a peripheral device?

    <p>Webcam</p> Signup and view all the answers

    How are binary digits used to represent values?

    <p>As powers of two</p> Signup and view all the answers

    What characterizes the wave of ubiquitous computing?

    <p>The integration of computing into everyday objects</p> Signup and view all the answers

    What was one of the major achievements of Amazon in 2003?

    <p>Digitization of books increasing sales by 7%</p> Signup and view all the answers

    What is the main function of the GlowCap?

    <p>A pill bottle that alerts users about missed doses</p> Signup and view all the answers

    What significant issue arises from drug adherence rates being at just 50 percent?

    <p>Increased medical costs due to missed medications</p> Signup and view all the answers

    Which companies have become significant players in offering cloud infrastructure and services?

    <p>Amazon, Google, and Microsoft</p> Signup and view all the answers

    What can result from limitations in today's technology being overcome tomorrow?

    <p>The emergence of new industries and business strategies</p> Signup and view all the answers

    Which device was released by Amazon in 2007 as its first e-reader?

    <p>Kindle</p> Signup and view all the answers

    How does the proliferation of ubiquitous products affect consumer behavior?

    <p>Consumers tend to purchase more products as they become cheaper</p> Signup and view all the answers

    Study Notes

    Management Information Systems

    • Data and insights are essential assets in the digital age.
    • Management Information Systems (MIS) involve people, procedures, software, databases, and devices to provide information for decision-making.
    • The Fourth Industrial Revolution is fueled by data explosion, increased storage capacity, and increasing computing power.
    • Sensors collect data about users, activities, and environments.
    • Computing speeds have drastically increased from 5,000 instructions per second to 25 billion instructions per second.
    • Smartphones contain various sensors, including cameras, pedometers, light sensors, thermometers, fingerprint sensors, microphones, gyroscopes, accelerometers, magnetometers, and proximity sensors.

    Netflix vs Blockbuster

    • Blockbuster was a membership-based movie rental company with physical stores, requiring in-store browsing and physical disk borrowing.
    • Netflix transitioned from a mail-order DVD rental service to a streaming platform, offering a subscription-based model for accessing movies online.

    First-Mover Advantage

    • First-mover advantage refers to the competitive benefit gained by entering a new market first.
    • It allows companies to establish brand recognition, customer loyalty, market share, and secure resources.
    • This advantage is not guaranteed, as fast followers can learn from first-movers and iterate on strategies.

    Power of the Long Tail

    • The "Power of the Long Tail" concept emphasizes selling numerous niche products with low demand instead of focusing on a few bestsellers.
    • This strategy thrives on internet platforms that enable reaching niche audiences with specific tastes.

    Databases

    • Databases are organized collections of data, stored and accessed electronically.
    • Database management systems (DBMS) are software used to manage databases.
    • Database programmers or administrators manage databases.

    Types of Databases

    • Document Databases: Hierarchical data organization.
    • Relational Databases: Connected tables using key columns for relationships.
    • Analytical Databases: Multidimensional arrays, complex to manage due to large amounts of data.
    • Graph Databases: Utilize nodes and edges to represent data points and connections.
    • Key-Value Databases: Stored in dictionaries for fast look-up operations.
    • Column-Family Databases: Stored in schema-free columns, offering flexibility and suitability for unstructured data.

    Relational Databases

    • Most popular type of database, consisting of interconnected tables.

    Schema, Table, Column, Row, Key

    • Schema: Blueprint of data organization and relationships.
    • Table: Individual file or array of data.
    • Column: Field defining data types within a table.
    • Row: Record of a single instance.
    • Key: Field connecting or relating databases.

    SQL (Structured Query Language)

    • The standard language for creating and manipulating relational databases.
    • Used for simple query operations using "Select," "From," and "Where" clauses.

    Data Warehouses and Data Marts

    • Data warehouses are sets of databases designed for decision support.
    • Data marts are databases focusing on specific problem areas.
    • Data warehouses and marts mitigate the performance impact of running analytics on production databases.

    Production vs. Staging Databases

    • Production database: The actual output, reflecting real-time changes.
    • Staging database: A simulation for testing and editing changes before deploying them to the production environment.

    Data Considerations

    • Data Relevance: Ensuring data aligns with current and future goals.
    • Data Sourcing: Assessing data availability, cleanliness, completeness, accuracy, and value.
    • Data Quantity: Determining the appropriate amount of data needed.
    • Fairness: Mitigating discrimination by addressing bias in AI systems.
    • Misuse: Implementing security measures to reduce risks.
    • Privacy: Protecting personal information and addressing surveillance concerns.
    • Security: Safeguarding data and systems, incorporating regulations across domains.
    • Equity: Ensuring accessibility and inclusion for all.

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    Related Documents

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    Description

    This quiz covers the essentials of Management Information Systems (MIS) and their role in the digital age. Explore the impact of data, sensors, and computing advancements on decision-making in organizations. Additionally, it contrasts traditional movie rental services like Blockbuster with the evolution of Netflix.

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